GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2568c9e8cb9b107957342f5815ee80e1083975b3f288980644067b218b8c74bcd6d
MD506c23a78a6d8e07af4d6f05552f67aae
File Typeexe
Size116.5 KB
First Seen2023-01-24
File Name8c9e8cb9b107957342f5815ee80e1083975b3f288980644067b218b8c74bcd6d.bin.sample
Tagsexe, Gandcrab, Ransomware

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeMaaS ransomware
First Seen Year2018

Threat Indicators (IOC)

  • SHA256: 8c9e8cb9b107957342f5815ee80e1083975b3f288980644067b218b8c74bcd6d
  • MD5: 06c23a78a6d8e07af4d6f05552f67aae

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Do not pay the ransom — there is no guarantee your files will be restored
  3. Quarantine the affected drives
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Try available decryptor tools (the NoMoreRansom project)
  6. Report the incident to the authorities (cybercrime unit)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

YARA Rule Hints

rule GandCrab_SHA256 {
    meta:
        description = "GandCrab sample: 8c9e8cb9b1079573"
        threat_level = "critical"
        first_seen = "2023-01-24"
    condition:
        hash.sha256(0, filesize) == "8c9e8cb9b107957342f5815ee80e1083975b3f288980644067b218b8c74bcd6d"
}

GandCrab — Malware Profile

GandCrab, 2018-2019 aktif RaaS ailesidir. 1.5 milyar USD hasar. RSA+Salsa20. Haziran 2019 kapandi. REvil oncusu.

Malware Type
Ransomware
Programming Language
C
C2 Protocol
HTTP
Target Systems
Windows

Capabilities & Behavior

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

IOC List (2 indicators)

IOC — GandCrab
# SHA256 8c9e8cb9b107957342f5815ee80e1083975b3f288980644067b218b8c74bcd6d # MD5 06c23a78a6d8e07af4d6f05552f67aae
TypeValueNote
sha256 8c9e8cb9b107957342f5815ee80e1083975b3f288980644067b218b8c74bcd6d Sample:GandCrab
md5 06c23a78a6d8e07af4d6f05552f67aae Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi